Assistant Secretary General - Emerging Security Challenges

Ambassador Sorin Ducaru took over the post of Assistant Secretary General for Emerging Security Challenges in September 2013. He is responsible for providing support to the North-Atlantic Council and for advising the Secretary General on the evolution of emerging security challenges, their potential impact on NATO’s security, the development of relevant policies and action plans; directing the Emerging Security Challenges Division of the NATO International Staff and coordinating NATO’s Science for Peace and Security Programme.

Assistant Secretary General - Defence Policy and Planning

Heinrich Brauss was appointed Assistant Secretary General for Defence Policy and Planning on 4 October 2013, having joined the International Staff of the North Atlantic Treaty Organisation (NATO) in September 2007 as Deputy Assistant Secretary General for Policy and Planning.

Assistant Secretary General - Executive Management

Wayne J. Bush is Assistant Secretary General for Executive Management. He has overall responsibility for management of the NATO headquarters, and is the Secretary General’s primary advisor for NATO-wide management issues. From 2009 to 2013, Mr. Bush served as Director of the NATO Office of Resources, supporting decision-making by NATO’s 28 member states on matters related to NATO Military Common Funding.

Assistant Secretary General - Public Diplomacy

Ambassador Tacan Ildem was appointed Assistant Secretary General for Public Diplomacy in March 2016. He advises the Secretary General on public diplomacy issues and directs the Public Diplomacy Division (PDD), which plays a key role in conveying the Alliance’s strategic and political messages to opinion formers and to the public in general. PDD works to raise the Alliance’s profile with audiences world-wide and to build support for Alliance operations and policies.

Director - NATO Office of Resources

Mr. Aguirre joined the NATO Office of Resources (NOR) as its Director on 1 August 2014. The NOR supports political level negotiation on resource policy and makes recommendations to decision-makers on the efficient use of resources to achieve NATO Objectives. The NOR advises and supports the NATO resource committees, other NATO HQ divisions, and NATO bodies on the planning and allocation of military common funding for the command structure, operations and missions, and strategic capabilities. As Director NOR, Mr. Aguirre is responsible to the Secretary General for the leadership and direction of the NOR and advises the Secretary General on resource matters.

Director - NATO Office of Security

Todd J. Brown is the Director of the NATO Office of Security (NOS). He is the principal security advisor to the NATO Secretary General and the North Atlantic Council (NAC) and has the overall responsibility for the development and implementation of security policies for NATO member and partner nations. The NOS is comprised of three branches; Protective Security Branch, Security Intelligence Branch, and the Policy Coordination, Branch. The NOS also administers the Close Protection Unit assigned to the Secretary General.

Legal Adviser

Steven Hill is Legal Adviser and Director of the Office of Legal Affairs at NATO. As the senior lawyer in NATO, he advises the Secretary General and International Staff on all legal aspects of NATO operations and coordinates NATO activities in the legal field.

Financial Controller

Stéphane Chagnot is the Financial Controller of the NATO International Staff. He is personally responsible for the correct use of international appropriated and non-appropriated funds made available to the Organisation, in particular for the NATO Civil Budget, the New NATO Headquarters Project, the Pension systems and a number of Trust Funds. The International Staff Office of Financial Control is an independent office in charge of accounting, budget control, treasury, procurement and internal audit functions for NATO Headquarters.